Situation 3] The bearing of the first tangent of a simple curve is N70.7ºE while the second tangent has a bearing of S82037'E. The degree of curve is 4.50 and chainage of PC is 3+777. It is proposed to decrease the central angle by an angle of 70 by changing the direction of the secend tangent, in such a way that the position of PT and the direction of the first tangent shall remain unchanged. Determine the following: New angle of intersection, I New radius of the curve, R New chainage of station PC 主.

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